AS400 still holds sway in many companies since it helps power critical applications in areas such as hospitals, banks including government bodies. The AS/400 servers are used in legacy systems rather than running everyday applications such as employee based functions or office functions. Statistics also point to the fact that the majority of users rely on IBM i AS400 to run their business applications. There is also a possibility that the workloads to the application can increase. Nevertheless, there is always a section of the audience who may prefer to move to other platforms for other reasons. Since AS400 was developed almost three decades ago, there is a sense of apprehension surrounding its relevance in today’s robust business environment.
Another aspect to consider is the skills and expertise required to maintain and run this niche platform. Since it was created a while back, even the individuals who created it may be close to moving it. This also means that their expertise goes out along with them. So it is crucial to have a transition plan in place to ensure talent does not die out with them.